Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
040053lightly pollutedexcellent101excellent
030052lightly pollutedexcellent101excellent
020052lightly pollutedexcellent101excellent
010052lightly pollutedexcellent111excellent
000059lightly pollutedexcellent111excellent
230055lightly pollutedexcellent121excellent
220060lightly pollutedexcellent121excellent
210063moderately pollutedexcellent121excellent
200066moderately pollutedgood131excellent
190062moderately pollutedexcellent121excellent
180055lightly pollutedexcellent101excellent
170048lightly pollutedexcellent101excellent
160047lightly pollutedexcellent111excellent
150044lightly pollutedexcellent101excellent
140042lightly pollutedexcellent101excellent
130042lightly pollutedexcellent111excellent
120048lightly pollutedexcellent101excellent
110052lightly pollutedexcellent101excellent
100061moderately pollutedexcellent111excellent
090059lightly pollutedexcellent101excellent
080060lightly pollutedexcellent91excellent
070066moderately pollutedexcellent91excellent
060063moderately pollutedexcellent81excellent
050057lightly pollutedexcellent81excellent